The last four years of returns for a stock are as shown here: : . a. What is the average annual return? b. What is the variance of the stock's returns? c. What is the standard deviation of the stock's returns? Note: Notice that the average return and standard deviation must be entered in percentage format. The variance must be entered in decimal format. a. What is the average annual return? A Data Table - X The average return is 10.25 %. (Round to two decimal places.) b. What is the variance of the stock's returns? The variance of the returns is . (Round to five decimal places.) (Click on the icon located on the top-right corner of the data table below in order to copy its contents into a spreadsheet.) Year Return 2 +28.3% 3 +12.5% 4 + 4.1% - 3.9% Print Done